Patents Examined by Timothy J. Thorpe
  • Centrifugal lubricating oil pump of an exhaust gas turbocharger
    Patent number: 4541784
    Abstract: In a centrifugal lubrication system of an exhaust gas turbocharger, the pump rotor is provided with two laterally located hollow spaces and is fastened on the turbocharger shaft between two shaft bearings. The shaft bearings are each located between an oil suction pipe and a hollow space of the pump rotor. The oil is sucked up from the oil sump, through the injection nozzles and through the shaft bearings.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: September 17, 1985
    Assignee: BBC Brown, Boveri & Company, Limited
    Inventor: Hansulrich Horler
  • Self-priming centrifugal lubricating oil pump of an exhaust gas turbocharger
    Patent number: 4541785
    Abstract: In a self-priming centrifugal lubrication pump of an exhaust gas turbocharger, the pump rotor is fastened on the turbocharger shaft between two shaft bearings. A stationary oil ring channel is located on a larger diameter outside a rotating annulus of oil, which channel is connected via an oil branch pipe and an oil pressure pipe to the injection nozzles located at the side of the shaft bearings.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: September 17, 1985
    Assignee: BBC Brown, Boveri & Company, Limited
    Inventor: Hansulrich Hoarler